Abusing the vaccine personal belief exemption

Recent protests against SB 277 were overwhelmingly white.

A recent peer-reviewed article published in Pediatrics examined California parents who used the California vaccine personal belief exemptions to exclude their children from routine vaccinations. The researchers found that they are typically white and well-to-do, living in some of the most politically liberal parts of California.

Orac mentioned this study in a recent post. He remarked that “the stereotype (of the typical vaccine denier) is that it’s a bunch of liberal, hippy-dippy lovers of “natural” living, but that’s not quite it.” I’ve seen many memes (I hate memes, they’re trash) that have a photo of a hipster/hippy young woman who obviously is opposed to vaccines.

Basically, this study examined the rate of PBEs in over 5000 kindergarten schools across the state. They then compiled data on the location of the school, the white ethnic make-up of each, income, and other factors.

This study found the demographic that uses vaccine personal belief exemptions to avoid immunizations for their children to be at odds with the stereotypical hippy.

The schools with the highest rate of PBEs also had the highest percentage of white students. In fact, the highest percentage of schools with the highest PBE rate were over 75% white.

Some of the schools had PBE rates up to 79%. A successful herd effect–a scientific theory that states when a small number of people remain unvaccinated, they are still protected by the “herd immunity” that builds when most people in a community are immunized–requires around 95% vaccination uptake, so many schools fail to meet that standard.

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Clustering of PBEs

This study gave us a graphic that dramatically establishes how PBEs cluster in the wealthier, whiter and more liberal areas of California:

But the data from the study has even worse news. California schools with high rates of personal-belief exemptions often had high rates of exemptions for medical reasons. Why? It’s unknown, but one could speculate that some pediatricians in the area might also be antivaccine, and they sign off on a lot of medical exemptions.

You think I’m inventing a conspiracy where there is none? Some physicians advertise that they will fill out vaccine exemption forms. Bob Sears, antivaccination cult doctor, actually lists physicians (and quacks like chiropractors and naturopaths) who will “consult” on vaccines. It’s not that hard to provide a disingenuous vaccine medical exemption to vaccinations.

Of course, I am concerned that some children exempted for medical reasons could be put at risk if their classmates are not vaccinated against diseases like measles, mumps, whooping cough and chickenpox.

As of 1 May 2015, 169 people in 20 states and Washington, D.C., had been sickened by measles, according to the CDC. As is well known, the main outbreak was traced to the Disneyland amusement park in Anaheim, California. The CDC states that the outbreak probably started with an unvaccinated traveler who became infected in another country before coming to Disneyland, where came in contact with other unvaccinated children and adults.

Opponents of the restriction of PBEs argue that parents should be able to choose for their own children. However, there are a number of issues with that argument:

Some vaccine personal belief exemptions are based on fake religious arguments invented by vaccine deniers – most religions are strongly supportive of vaccines.

In reality, people are not allowed to put their children at risk of harm. That’s why we require everything from car seats to proper nutrition for our children.

It is not a personal choice to put others at risk. Courts have supported the state in mandating vaccines for the benefit of the community over and over and over.

Dr. Margaret Carrel, Ph.D., the main researcher for this study and a member of the Department of Epidemiology at the University of Iowa, states that “vaccines protect not only an individual child but the children around them, and they constitute an enormous public good.”

Conclusions

Most of the schools with a higher rate vaccine personal belief exemptions are overwhelmingly white.

Most of these schools are generally in wealthier and more liberal areas of the state (thought political affiliation is more scattered, with wealthy conservative areas also having higher PBEs).

The rate of medical exemptions is frequently correlated with high vaccine personal belief exemptions which may indicate that some healthcare professionals are signing off on medical exemptions.

Related

Lifetime lover of science, especially biomedical research. Spent years in academics, business development, research, and traveling the world shilling for Big Pharma. I love sports, mostly college basketball and football, hockey, and baseball. I enjoy great food and intelligent conversation. And a delicious morning coffee!